CVE-2022-32267 Race condition in n/a
Attackers can corrupt SMRAM via a TOCTOU race condition in the SmmResourceCheckDxe driver, potentially gaining privileged code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-32267?
CVE-2022-32267 is a medium-severity vulnerability in n/a, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
DMA transactions which are targeted at input buffers used for the SmmResourceCheckDxe software SMI handler cause SMRAM corruption (a TOCTOU attack) DMA transactions which are targeted at input buffers used for the software SMI handler used by the SmmResourceCheckDxe driver could cause SMRAM corruption through a TOCTOU attack... This issue was discovered by Insyde engineering. Fixed in kernel Kernel 5.2: 05.27.23. Kernel 5.3: 05.36.23. Kernel 5.4: 05.44.23. Kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022046
Weakness: CWE-367
Which versions are affected by CVE-2022-32267?
It affects 1 product.
Products include Insyde Kernel.
How do I fix CVE-2022-32267?
No fix has been published for CVE-2022-32267 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-32267 being exploited?
There is no known exploitation of CVE-2022-32267 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v3w9-w5cx-hw5m.